cmake_minimum_required (VERSION 2.8)
project (SuperCollider)

include("SCVersion.txt")
set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}${PROJECT_VERSION_PATCH}")
message(STATUS "SuperCollider Version: ${PROJECT_VERSION}")

include(CTest)
enable_testing()

include (cmake_modules/FinalFile.cmake)

if (NOT CMAKE_BUILD_TYPE)
	message(STATUS "Build type defaulting to \"RelWithDebInfo\"")
	set(CMAKE_BUILD_TYPE "RelWithDebInfo")
endif()

if (${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
	message(WARNING "WARNING: IN-PLACE BUILDS ARE NOT RECOMMENDED - PLEASE USE A BUILD DIRECTORY")
endif()


set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules
                      ${CMAKE_MODULE_PATH})

CONFIGURE_FILE(
  "${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules/cmake_uninstall.cmake.in"
  "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
  IMMEDIATE @ONLY)

ADD_CUSTOM_TARGET(uninstall
  "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")

if(APPLE)
	STRING(REGEX REPLACE "^.*MacOSX10.([0-9]+).*$" "\\1" MAC_OSX_SDK_VERSION  "${CMAKE_OSX_SYSROOT}")

	if(CMAKE_OSX_DEPLOYMENT_TARGET)
		if (CMAKE_OSX_DEPLOYMENT_TARGET GREATER 10.4)
			set(HID_UTIL_DIR "HID_Utilities")
		else()
			set(HID_UTIL_DIR "HID_Utilities_10_4")
		endif()
	else()
		if (${MAC_OSX_SDK_VERSION} GREATER 4)
			set(HID_UTIL_DIR "HID_Utilities")
		else()
			set(HID_UTIL_DIR "HID_Utilities_10_4")
		endif()
	endif()
	MESSAGE( STATUS "Using HID Utilities from folder '${HID_UTIL_DIR}'")
endif()

if (CMAKE_SYSTEM_NAME MATCHES "Linux")
	set(LINUX 1)
endif()

#############################################
# Compiler flags etc

if (${CMAKE_COMPILER_IS_GNUCXX})
	exec_program(${CMAKE_CXX_COMPILER} ARGS -dumpversion OUTPUT_VARIABLE _gcc_version)

	add_definitions("-fschedule-insns2" "-fomit-frame-pointer")

	add_definitions("-Wreturn-type")

#	disabled for now: -ffast-math breaks avx intrinsics and -fsigned-zeros/-fno-associative-math are not available in some versions
#	if (${_gcc_version} VERSION_GREATER 4.0.99)
#		add_definitions("-ffast-math -fsigned-zeros -fno-associative-math")
#	endif()

	option(DSO_VISIBILITY "DSO visibility support for gcc" OFF)

	if (DSO_VISIBILITY)
		add_definitions(-fvisibility=hidden)
	endif()

	if(APPLE)
		exec_program(${CMAKE_CXX_COMPILER} ARGS --version OUTPUT_VARIABLE _gcc_version_info)
		if ("${_gcc_version_info}" MATCHES "Apple")
			add_definitions("-fpascal-strings")
		endif()
		add_definitions("-D_REENTRANT")
	elseif(NOT (WIN32 AND NOT CYGWIN))
		add_definitions("-pthread")
	endif()
endif ()

if (${CMAKE_CXX_COMPILER} MATCHES icpc)
	set(CMAKE_COMPILER_IS_INTEL 1)
	add_definitions(-Wno-unknown-pragmas)
	add_definitions(-simd)
endif()

if (${CMAKE_CXX_COMPILER} MATCHES clang)
	option(DSO_VISIBILITY "DSO visibility support for clang" OFF)

	if (DSO_VISIBILITY)
		add_definitions(-fvisibility=hidden)
	endif()

	set(CMAKE_COMPILER_IS_CLANG 1)
endif()

if(APPLE)
	set_property(DIRECTORY
		APPEND
		PROPERTY COMPILE_DEFINITIONS SC_DARWIN)
elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
	add_definitions(-DSC_DATA_DIR="${CMAKE_INSTALL_PREFIX}/share/SuperCollider")
elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
	add_definitions("-DSC_FREEBSD")
	add_definitions(-DSC_DATA_DIR="${CMAKE_INSTALL_PREFIX}/share/SuperCollider")
endif()

if(WIN32)
    set_property(DIRECTORY
                 APPEND
                 PROPERTY COMPILE_DEFINITIONS SC_WIN32 NOMINMAX _WIN32_WINNT=0x0500)

    add_definitions(-DWIN32_LEAN_AND_MEAN)

    if(MSVC)
        SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
        SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
    endif()

    # correctly link the static Boost Thread library:
    add_definitions(-DBOOST_THREAD_USE_LIB)
	#avoid unnecesary autolink
	add_definitions(-DBOOST_DATE_TIME_NO_LIB)

    add_definitions(-DBOOST_CHRONO_HEADER_ONLY)
endif()


#############################################
# Options
option(NOVA_SIMD "Build with nova-simd support." ON)
option(FINAL_BUILD "Build as single source file." OFF)

option(CURL "Build with curl for remote file download." ON)

option(FFT_GREEN "Use internal 'Green' FFT lib rather than FFTW. (Not recommended.)" OFF)

option(SSE "Compile with support for SSE instructions.")
option(SSE41 "Compile with support for SSE4.1 instructions.")
option(SSE42 "Compile with support for SSE4.2 instructions.")

set(AUDIOAPI "default" CACHE STRING "Audio API to use (one of {default,coreaudio,jack,portaudio})")
option(LIBSCSYNTH "Compile libscsynth as shared library" OFF)

option(INSTALL_HELP "Install help docs and examples along with the software" ON)
option(SC_DOC_RENDER "Pre-render SCDoc documentation. (For putting online, etc)" OFF)
option(SC_IDE "Build Qt IDE." ON)

option(ENABLE_TESTSUITE "Compile testsuite." ON)

if(CMAKE_SYSTEM_NAME MATCHES "Linux")
    option(SUPERNOVA "Build with supernova as optional audio synthesis server" ON)
elseif()
    option(SUPERNOVA "Build with supernova as optional audio synthesis server" OFF)
endif()

option(SN_MEMORY_DEBUGGING "Build supernova for memory debugging (disable memory pools).")
option(SC_MEMORY_DEBUGGING "Build sclang&scsynth for memory debugging (disable memory pools).")
option(GC_SANITYCHECK "Enable sanity checks in the sclang garbage collector.")

option(NO_LIBSNDFILE "Disable soundfile functionality. (Not recommended.)" OFF)

option(NO_AVAHI "Disable Avahi support. (Not recommended.)" OFF)

option(SCLANG_SERVER "Build with internal server." ON)

if(CMAKE_SYSTEM_NAME MATCHES "Linux")
	option(SC_WII "Build sclang with WII support" ON)
endif()

option(SC_QT "Build SuperCollider with Qt GUI" ON)
if (SC_QT)
  message( STATUS "Compiling with Qt GUI" )
endif (SC_QT)

if(WIN32)
    option(SC_WIN_DEP_DIRS
        "A list of directories where dependencies will be searched for when packaging.")
endif()

if(CMAKE_COMPILER_IS_GNUCXX)
    option(NATIVE "Optimize binary for this architecture (binaries may not run on other machines, requires gcc-4.3 or higher).")
    option(LTO "Use GCC's link time optimizer' (experimental).")
endif()

option(SC_SYMLINK_CLASSLIB "Place a symlink of SCCLassLibrary instead of copying" OFF)
option(SC_OX "Try to compile with support for C++0x (experimental, mainly related to supernova)" OFF)

option(SYSTEM_BOOST "Use boost libraries from system" OFF)

#############################################
# some default libraries

find_package(Pthreads)

if (NOT PTHREADS_FOUND)
    message(SEND_ERROR "cannot find libpthreads")
endif()
include_directories(${PTHREADS_INCLUDE_DIR})

if (MSVC OR MINGW)
    set(MATH_LIBRARY "")
else()
    find_library(MATH_LIBRARY m)
endif()

if(CURL)
	find_package(CURL)
	if(CURL_FOUND)
		add_definitions("-DHAVE_LIBCURL")
		include_directories(${CURL_INCLUDE_DIRS})
	endif()
endif()

if (SYSTEM_BOOST)
  set(Boost_USE_MULTITHREADED      ON)
  find_package( Boost 1.48.0 COMPONENTS thread system filesystem program_options regex test )

  if (SC_OX)
	  set(Boost_FOUND OFF) # boost 1.48 does not like c++11
  endif()
endif()

if (Boost_FOUND)
	link_directories(${Boost_LIBRARY_DIRS})
else()
	message("building boost libraries manually")
endif()



#############################################
# some preprocessor flags
if (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANG)
	if (SSE)
		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse -mfpmath=sse")
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse -mfpmath=sse")
	endif()
	if (SSE41)
		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.1")
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.1")
	endif()
	if (SSE42)
		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.2")
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2")
	endif()
	if (NATIVE)
		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native")
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
	endif()

	if (SC_OX)
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
	endif()
endif()

if (CMAKE_COMPILER_IS_INTEL AND NOT WIN32)
	if (SSE42)
		add_definitions(-xSSE4.2)
	elseif (SSE41)
		add_definitions(-xSSE4.1)
	elseif (SSE)
		add_definitions(-mia32)
	endif()
	if (SC_OX)
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
	endif()

	# disable warnings
	add_definitions(-diag-disable 170) # pointer points outside of underlying object ... used heavily in sclang
	add_definitions(-diag-disable 279) # controlling expression is constant

endif()

if (SC_MEMORY_DEBUGGING)
	add_definitions(-DDISABLE_MEMORY_POOLS)
endif()

#############################################
# subdirectories
add_subdirectory(external_libraries)
add_subdirectory(server)
add_subdirectory(lang)
add_subdirectory(editors)
add_subdirectory(platform)

if(CMAKE_SYSTEM_NAME MATCHES "Linux" OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
    install(DIRECTORY include/common include/plugin_interface include/server include/lang
        DESTINATION ${CMAKE_INSTALL_PREFIX}/include/SuperCollider
        FILES_MATCHING PATTERN "*.h"
    )
endif()

if(APPLE)
	# determines the app name and app install location (scappbundlename, scappdir):
	include (cmake_modules/MacAppFolder.cmake)

	set(auxresourcesdir ${scappauxresourcesdir})

	# Some aux files which go in the app's folder
	install(FILES README.txt ChangeLog COPYING AUTHORS platform/mac/MOVED_STUFF.txt
		DESTINATION ${scappbundlename}
	)
elseif (WIN32)
	set(auxresourcesdir "SuperCollider")
else()
	set(auxresourcesdir "share/SuperCollider")
endif()

set(SCCLASSLIB_EXCLUDE_REGEX "IGNOREME")

if(NOT SC_QT)
	set(SCCLASSLIB_EXCLUDE_REGEX "${SCCLASSLIB_EXCLUDE_REGEX}|QtCollider")
endif()

if(WIN32)
	set(SCCLASSLIB_EXCLUDE_REGEX "${SCCLASSLIB_EXCLUDE_REGEX}")
endif()


if(APPLE)

	if(SC_SYMLINK_CLASSLIB)

		#if there are folders inside SCCLassLibrary abort cmake.
		file(GLOB classlibraryfolders "${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/SCClassLibrary/[^.]*")
		foreach(onedirectory ${classlibraryfolders})
			message( "${onedirectory}" )
			if(NOT IS_SYMLINK "${onedirectory}")
				message(FATAL_ERROR "Symlinking will fail ! SCClassLibrary folder already exists and has directories inside, please delete it first." )
			endif()
		endforeach(onedirectory)

		message(STATUS "Will create symlink of SCClassLibrary to ${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/SCClassLibrary" )
		if(NOT EXISTS "{CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/SCClassLibrary")
			install( CODE "EXECUTE_PROCESS(COMMAND mkdir ${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/SCClassLibrary)" )
		endif()
		#symlink the folders inside SCCLassLibrary. Check if QtCollider folder should be symlinked or not.
		file(GLOB classlibraryfolders RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/SCClassLibrary" "SCClassLibrary/[^.]*")
		foreach(onedirectory ${classlibraryfolders})
			if(NOT "${onedirectory}" MATCHES "${SCCLASSLIB_EXCLUDE_REGEX}")
				install( CODE
					"EXECUTE_PROCESS(COMMAND ln -shF ${CMAKE_CURRENT_SOURCE_DIR}/SCClassLibrary/${onedirectory} ${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/SCClassLibrary/${onedirectory} )" )
			endif()
		endforeach(onedirectory)
	else()
		message(STATUS "Will copy SCCLassLibrary to ${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}")

		#if directory contains symlinks, unlink them.
		if(EXISTS "${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/SCClassLibrary")
			file(GLOB classlibraryfolders "${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/SCClassLibrary/[^.]*")
			foreach(onedirectory ${classlibraryfolders})
				if(IS_SYMLINK "${onedirectory}")
					message(STATUS "Unlinking ${onedirectory}")
					install( CODE "EXECUTE_PROCESS(COMMAND unlink ${onedirectory} )" )
				endif()
			endforeach(onedirectory)
		endif()

		install(DIRECTORY SCClassLibrary
			DESTINATION ${auxresourcesdir}
			REGEX ${SCCLASSLIB_EXCLUDE_REGEX} EXCLUDE
		)
	endif()
else()
	install(DIRECTORY SCClassLibrary
		DESTINATION ${auxresourcesdir}
		REGEX ${SCCLASSLIB_EXCLUDE_REGEX} EXCLUDE
		PATTERN "*~" EXCLUDE
		PATTERN "*#" EXCLUDE
	)
endif()

configure_file(platform/SCVersion.sc.in SCVersion/SCVersion.sc)
install(DIRECTORY "${CMAKE_BINARY_DIR}/SCVersion" DESTINATION "${auxresourcesdir}/SCClassLibrary")

install(DIRECTORY sounds
	DESTINATION ${auxresourcesdir}
)

if(APPLE AND ("${standalone}" STREQUAL ""))
	set(exampledir "${scappbundlename}")
else()
	set(exampledir "${auxresourcesdir}")
endif()

install(DIRECTORY examples
	DESTINATION ${exampledir}
	PATTERN "*~" EXCLUDE
	PATTERN "*#" EXCLUDE
)

if(INSTALL_HELP)
	if(SC_SYMLINK_CLASSLIB AND APPLE)
		message(STATUS "Will create symlink of HelpSource to ${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/HelpSource")
		if(EXISTS "${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/HelpSource")
			message(FATAL_ERROR "Symlinking will fail ! HelpSource folder already exists, please delete it first." )
		endif()
		install( CODE
					"EXECUTE_PROCESS(COMMAND ln -shF ${CMAKE_CURRENT_SOURCE_DIR}/HelpSource ${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/HelpSource )" )
	else()
		message(STATUS "Will copy HelpSource to ${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}")
		if(APPLE)
			if(EXISTS "${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/HelpSource")
				if(IS_SYMLINK "${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/HelpSource")
					message(STATUS "Unlinking ${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/HelpSource")
					install( CODE "EXECUTE_PROCESS(COMMAND unlink ${CMAKE_INSTALL_PREFIX}/${auxresourcesdir}/HelpSource )" )
				endif()
			endif()
		endif()
		install(DIRECTORY HelpSource
			DESTINATION ${auxresourcesdir}
			PATTERN "*~" EXCLUDE
			PATTERN "*#" EXCLUDE
		)
	endif()
endif()

#############################################
#
# build scdoc help files
#
list(APPEND BUILD_CLASSLIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/SCClassLibrary/Common")
list(APPEND BUILD_CLASSLIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/SCClassLibrary/Platform")
list(APPEND BUILD_CLASSLIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/SCClassLibrary/SCDoc")
list(APPEND BUILD_CLASSLIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/SCClassLibrary/DefaultLibrary")
list(APPEND BUILD_CLASSLIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/SCClassLibrary/JITLib")
list(APPEND BUILD_CLASSLIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/SCClassLibrary/backwards_compatibility")

# this folder has an extension to Platform that disables the loadStartupFiles method
list(APPEND BUILD_CLASSLIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/platform/disable_startup_files")

foreach(arg ${BUILD_CLASSLIBRARIES})
	set(BUILD_CLASSLIBRARYPATH "${BUILD_CLASSLIBRARYPATH}+${arg}\n")
endforeach()

configure_file(build_sclang.cfg.in ${CMAKE_CURRENT_BINARY_DIR}/build_sclang.cfg)

if(SC_DOC_RENDER)
	file(GLOB_RECURSE SCDocSources RELATIVE HelpSource .*[^~])
	file(GLOB_RECURSE SCDocClasses RELATIVE SCClassLibrary/SCDoc *.sc)

	add_custom_target(doc ALL
					COMMAND ${CMAKE_CURRENT_BINARY_DIR}/lang/sclang${CMAKE_EXECUTABLE_SUFFIX}
							-l ${CMAKE_CURRENT_BINARY_DIR}/build_sclang.cfg
							platform/renderAllHelp.scd ${CMAKE_CURRENT_SOURCE_DIR}/HelpSource ${CMAKE_CURRENT_BINARY_DIR}/RenderedHelp
					WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
					DEPENDS sclang ${SCDocSources} ${SCDocClasses})

endif()

set_directory_properties(
	PROPERTIES
	ADDITIONAL_MAKE_CLEAN_FILES "RenderedHelp")

#############################################
#
# testsuite
#
if(ENABLE_TESTSUITE)
  add_subdirectory(testsuite)
endif()

#############################################
# CPack support

set(CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR})
set(CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR})
set(CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH})

if(APPLE)
	set(CPACK_GENERATOR "DragNDrop")
	set(CPACK_DMG_FORMAT "UDBZ")
	set(CPACK_DMG_VOLUME_NAME "${scappbundlename}")
	set(CPACK_SYSTEM_NAME "OSX")
#	set(CPACK_PACKAGE_FILE_NAME "${scappbundlename}-${PROJECT_VERSION}")
	set(CPACK_DMG_DS_STORE "${CMAKE_SOURCE_DIR}/package/ds_store")
	set(CPACK_DMG_BACKGROUND_IMAGE "${CMAKE_SOURCE_DIR}/package/background.png")
	set(CPACK_PACKAGE_ICON "${CMAKE_SOURCE_DIR}/platform/mac/Resources/SCcube.icns")
endif()

if(NOT WIN32) # We define a custom 'package' target in platform/windows/CMakeLists.txt
    include(CPack)
endif()

#############################################
# hide advanced variables
mark_as_advanced(AVAHI_LIBRARIES AVAHI_INCLUDE_DIRS AVAHI_INCLUDE_DIR AVAHI_LIBRARY-COMMON AVAHI_LIBRARY-CLIENT)
mark_as_advanced(DL)
mark_as_advanced(EMACS_EXECUTABLE)
mark_as_advanced(FFTW3F_INCLUDE_DIR FFTW3F_LIBRARY)
mark_as_advanced(JACK JACK_INCLUDE_DIR JACK_LIBRARY)
mark_as_advanced(MATH_LIBRARY)
mark_as_advanced(QT_QMAKE_EXECUTABLE)
mark_as_advanced(SNDFILE)